QA

Question: How Strong Are Joist Hangers

These hangers are bent to 45 degrees and can be installed with joist hanger nails using the same method as straight joist hangers. Angled joist hangers should be available at your local lumberyard for 2×6 and 2×10.Joist Hanger Vertical Capacity. Joist Size Min Capacity lbs 2×6 400 2×8 500 2×10 600 2×12 700.

Do joist hangers add strength?

A. If the joist hangers your carpenter used are approved for use with the newer ACQ treated lumber, you should have nothing to worry about. These metal framing connectors have been around for years and they are code approved. They don’t have the inherent strength to support the weight of a deck or any framing member.

Is a joist hanger stronger than nailing?

Joist hangers are better because they allow for more accurate placement of joists. They also allow for toe-nailing, plus support the underside of the joist. This makes the hanger stronger than a toe-nail. While joist hangers are an expense, the ease and increased strength make them a better choice.

Are joist hangers safe?

Joist hangers are safe if installed correctly. Hanging joists is by no means new. You typically need to hang a joist if the top of it needs to be in the same plane as the beam that supports it.

How good are joist hangers?

Joist hangers are versatile and are much stronger than using nails or screws alone. Provided all the holes have nails or screws inserted, they provide excellent stability. Joist hangers can also be welded if needed and can be attached to masonry as well as timber.

How much weight can joist hangers support?

These hangers are bent to 45 degrees and can be installed with joist hanger nails using the same method as straight joist hangers. Angled joist hangers should be available at your local lumberyard for 2×6 and 2×10.Joist Hanger Vertical Capacity. Joist Size Min Capacity lbs 2×6 400 2×8 500 2×10 600 2×12 700.

How much weight can joist hold?

That means the joists can support a minimum of 40 pounds per square foot live load. Though, by consulting the 50 pounds per square foot live load/10 pounds per square foot dead load table, you can see the joists’ span would need to be reduced to 11 feet 11 inches to support heavier weight safely.

Can I use screws with joist hangers?

The manufacturers agree: Never use galvanized deck screws or drywall screws to install joist hangers. Those screws don’t have the shank size and toughness to support joist loads.

What can I use instead of joist hangers?

Alternatives to using metal joist hangers are ledger strips, sliding dovetails or mortising and dowels. The methods vary depending on whether it is an exterior deck or an interior platform. When it comes to outdoor decks, the only plausible do-it-yourself technique would be to use a ledger strip to support the joists.

How long do joist hangers last?

Galvanized joist hangers will not last forever in a coastal environment, but their lifespan is hard to predict. Over 20 years, these three identical hangers on the same deck vary from light rust (left) to extensive rust (center) to complete failure (right).

Can joist hangers be used for floor joists?

Joist hangers not only simplify the framing process but also strengthen the deck or floor you are building. When hanging floor joists, use joist hangers to make building a floor deck simpler. Place hangers every 16 inches on center. Position each hanger using the tab to hold it in place.

How strong is a joist?

Fine Homebuilding notes that 2-inch by 6-inch garage joists will support a weight of up to 50 pounds per square foot. If you overload your garage’s ceiling joists, the ceiling may appear to sag from the strain.

What is the purpose of a joist hanger?

Joist hangers are typically used to attach and hold your lumber floor joists in place against your structure’s beams. Deck beams are sturdy structural pieces that span the length of your deck along your house, or parallel to your house.

Can I use joist hangers for rafters?

Joist hangers can hang rafters from a ledger, but, for sloping rafters, notch them or use special rafter hangers. If rafters will sit on top of a ledger, attach them with seismic anchors as you would attach rafters to a beam.

How much weight can a 2×10 joist hold?

2×10 floor joists are designed to hold a 40 pound per square foot (psf) live load, plus a 10 psf dead load. Span tables indicate distance maximums for floor joists, with distances indicating the maximum length a 2×10 can span while still able to hold a 40 psf live load.

Can I use a 2×8 joist hanger for a 2×10?

For example, a 2×8 joist hanger is about 6 5⁄8 inches tall. Hangers can be used with both their matching nominal joist size and the next size up—2×10 hangers are approved for use with 2x10s and 2x12s, for example.

Can my floor support 1000 lbs?

Most of us don’t know how long our floor joists are. Let’s say you have a three foot wide safe that weighs 1,000 pounds, and your floor joists span 12 feet (which is typical). This three foot by 12 foot section of the floor was designed to safely carry a live load of 3 x 12 x 40 PSF, which equals 1,440 pounds.

How much weight can a 2×10 hold horizontally?

Each 2×10 will support 1,200 lbs.